Home / 888,000.60-1,331,126.10-438,790.80

Finding the Fourth Proportional to 888,000.60, 1,331,126.10 and 438,790.80

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Solution

The fourth proportional to 888,000.60, 1,331,126.10 and 438,790.80 is: 657,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,000.60 : 1,331,126.10 = 438,790.80 : x
  2. Step 2: Convert to fraction form
    888,000.60/1,331,126.10 = 438,790.80/x
  3. Step 3: Cross multiply
    888,000.60x = 1,331,126.10 × 438,790.80
  4. Step 4: Simplify right side
    888,000.60x = 584,085,886,319.88
  5. Step 5: Solve for x
    x = 584,085,886,319.88/888,000.60
  6. Step 6: Final answer
    x = 657,753.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.